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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Available-For-Sale Marketable Securities) (Detail) - USD ($) $ in Thousands | Jun. 30, 2017 | Jun. 30, 2016
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Amortized Cost Basis, Total | $ 3,560 | $ 3,467
Available-for-sale Securities, Gross Unrealized Gain, Total | 453 | 142
Available-for-sale Securities, Gross Unrealized Loss, Total | 0 | 0
Available-for-sale Securities, Total | 4,013 | 3,609
Bond Mutual Fund [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Amortized Cost Basis, Total | 1,112 | 1,085
Available-for-sale Securities, Gross Unrealized Gain, Total | 64 | 92
Available-for-sale Securities, Gross Unrealized Loss, Total | 0 | 0
Available-for-sale Securities, Total | 1,176 | 1,177
Stock Mutual Funds [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Amortized Cost Basis, Total | 2,448 | 2,382
Available-for-sale Securities, Gross Unrealized Gain, Total | 389 | 50
Available-for-sale Securities, Gross Unrealized Loss, Total | 0 | 0
Available-for-sale Securities, Total | $ 2,837 | $ 2,432

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562 + Details
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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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